Medical research

Sperm discoveries shed light on infertility and birth control

(Medical Xpress) -- For a sperm cell, a lot has to go right before it can fertilize an egg. And despite biblical stories of barren women and cultural traditions of blaming the female, fertility experts now estimate that male ...

Psychology & Psychiatry

Strong genetic selection against some psych disorders

(HealthDay)—Different evolutionary mechanisms likely support the persistence of various psychiatric disorders, according to a study published in the January issue of JAMA Psychiatry.

Other

Male menopause: The lowdown on 'low T'

Is there such a thing as male menopause? In women, menopause is characterized by a cessation of fertility and a sharp drop in certain hormone levels at midlife. In that sense, men don't go through their own version of menopause. ...

Obstetrics & gynaecology

HPV vaccine associated with improved fertility in some women

More than 40 percent of American teens are now getting vaccinated against human papillomavirus (HPV). But, despite HPV infection being associated with reduced semen quality and lower pregnancy rates, there is still public ...

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